.ls {
    border: 1px solid #c1c1c1;
}

ul li {
    height: 30px;
}

.line {
    /* width: 150px; */
    text-indent: 2em;
    /* border-radius: 30px; */
}

.line:hover {
    background-color: transparent;
    cursor: pointer;
    border: 1px solid #c1c1c1;
}

/* 偶数 */
.line-even {
    background-color: #e5e5e5;
}

.line-odd {
    background-color: #f5f5f5;
}

.deep {
    background-color: #d1d1d1;
}
